From patchwork Wed Aug 11 08:06:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 12430303 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65079C432BE for ; Wed, 11 Aug 2021 08:09:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A9C260FC0 for ; Wed, 11 Aug 2021 08:09:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236318AbhHKIJU (ORCPT ); Wed, 11 Aug 2021 04:09:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235670AbhHKIH5 (ORCPT ); Wed, 11 Aug 2021 04:07:57 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFA3BC06179C for ; Wed, 11 Aug 2021 01:07:04 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mDjG9-00010f-65; Wed, 11 Aug 2021 10:06:45 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mDjG5-0000OH-Rq; Wed, 11 Aug 2021 10:06:41 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mDjG5-0002xT-Qe; Wed, 11 Aug 2021 10:06:41 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Bjorn Helgaas Cc: Greg Kroah-Hartman , linux-pci@vger.kernel.org, kernel@pengutronix.de, Giovanni Cabiddu , Herbert Xu , "David S. Miller" , Tomaszx Kowalik , Fiona Trahe , Marco Chiappero , Andy Shevchenko , Wojciech Ziemba , Jack Xu , qat-linux@intel.com, linux-crypto@vger.kernel.org Subject: [PATCH v3 6/8] crypto: qat - simplify adf_enable_aer() Date: Wed, 11 Aug 2021 10:06:35 +0200 Message-Id: <20210811080637.2596434-7-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210811080637.2596434-1-u.kleine-koenig@pengutronix.de> References: <20210811080637.2596434-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=woJ+XG24qLZpRfQYIhuIjBJ10HF9ai4yZDNEgvzBdKs=; m=43Bwh4bgNofseZy3pN98J/xw6T54xBXYb8+EgplqK/c=; p=UpxHY8mwvBtBZg0FRXWD/zvIE1IdindmjThxZNtAGAY=; g=7cffdd55e5e8024bc4d1ee46c6d04a3a018e82b9 X-Patch-Sig: m=pgp; i=u.kleine-koenig@pengutronix.de; s=0x0D2511F322BFAB1C1580266BE2DCDD9132669BD6; b=iQEzBAABCgAdFiEEfnIqFpAYrP8+dKQLwfwUeK3K7AkFAmEThPsACgkQwfwUeK3K7AlcFAf/QHf 2EoakEZSSChqiSv1cK3BTib6+DbUTlC5Bfaw7qwp8LmO5pwJIEaJ1eoMRW4lHkyKqZNmBYTrhxwM5 jmDa+eL833kxguwFPAs830uR9G6GnwkhZBVcQpOndX1//fPYTKnR58QQeWOEN161uhF2MdFO2qHL1 XwIafFsyFElRtwjKGVh0PCTP0TQ5QamHlwoDjuFhRuDFMJnJdXfpfa6ivtCS/1mIu3yOyE1huXEkT 21L8ji0bXBIlKl2gye3PGvL29DbeHyEtYVh9wGYAyAhbEevwr3nqbpaRmCi7HM5Kb65/YXUlDEX8k +3K9yY8GL6w84FZTr9EYTskXJrdBY1Q== X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-pci@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org A struct pci_driver is supposed to be constant and assigning .err_handler once per bound device isn't really sensible. Also as the function returns zero unconditionally let it return no value instead and simplify the callers accordingly. As a side effect this removes one user of struct pci_dev::driver. This member is planned to be removed. Signed-off-by: Uwe Kleine-König Signed-off-by: Uwe Kleine-König Signed-off-by: Giovanni Cabiddu --- drivers/crypto/qat/qat_4xxx/adf_drv.c | 7 ++----- drivers/crypto/qat/qat_c3xxx/adf_drv.c | 7 ++----- drivers/crypto/qat/qat_c62x/adf_drv.c | 7 ++----- drivers/crypto/qat/qat_common/adf_aer.c | 10 +++------- drivers/crypto/qat/qat_common/adf_common_drv.h | 2 +- drivers/crypto/qat/qat_dh895xcc/adf_drv.c | 7 ++----- 6 files changed, 12 insertions(+), 28 deletions(-) diff --git a/drivers/crypto/qat/qat_4xxx/adf_drv.c b/drivers/crypto/qat/qat_4xxx/adf_drv.c index a8805c815d16..1620281a9ed8 100644 --- a/drivers/crypto/qat/qat_4xxx/adf_drv.c +++ b/drivers/crypto/qat/qat_4xxx/adf_drv.c @@ -253,11 +253,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer.\n"); - ret = -EFAULT; - goto out_err; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state.\n"); @@ -310,6 +306,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = adf_err_handler, }; module_pci_driver(adf_driver); diff --git a/drivers/crypto/qat/qat_c3xxx/adf_drv.c b/drivers/crypto/qat/qat_c3xxx/adf_drv.c index 7fb3343ae8b0..ceca372506a0 100644 --- a/drivers/crypto/qat/qat_c3xxx/adf_drv.c +++ b/drivers/crypto/qat/qat_c3xxx/adf_drv.c @@ -33,6 +33,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = adf_err_handler, }; static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) @@ -199,11 +200,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer\n"); - ret = -EFAULT; - goto out_err_free_reg; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state\n"); diff --git a/drivers/crypto/qat/qat_c62x/adf_drv.c b/drivers/crypto/qat/qat_c62x/adf_drv.c index 1f5de442e1e6..9176be253cc0 100644 --- a/drivers/crypto/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/qat/qat_c62x/adf_drv.c @@ -33,6 +33,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = adf_err_handler, }; static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) @@ -199,11 +200,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer\n"); - ret = -EFAULT; - goto out_err_free_reg; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state\n"); diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c index d2ae293d0df6..9284d09e3af8 100644 --- a/drivers/crypto/qat/qat_common/adf_aer.c +++ b/drivers/crypto/qat/qat_common/adf_aer.c @@ -166,11 +166,12 @@ static void adf_resume(struct pci_dev *pdev) dev_info(&pdev->dev, "Device is up and running\n"); } -static const struct pci_error_handlers adf_err_handler = { +const struct pci_error_handlers adf_err_handler = { .error_detected = adf_error_detected, .slot_reset = adf_slot_reset, .resume = adf_resume, }; +EXPORT_SYMBOL_GPL(adf_err_handler); /** * adf_enable_aer() - Enable Advance Error Reporting for acceleration device @@ -179,17 +180,12 @@ static const struct pci_error_handlers adf_err_handler = { * Function enables PCI Advance Error Reporting for the * QAT acceleration device accel_dev. * To be used by QAT device specific drivers. - * - * Return: 0 on success, error code otherwise. */ -int adf_enable_aer(struct adf_accel_dev *accel_dev) +void adf_enable_aer(struct adf_accel_dev *accel_dev) { struct pci_dev *pdev = accel_to_pci_dev(accel_dev); - struct pci_driver *pdrv = pdev->driver; - pdrv->err_handler = &adf_err_handler; pci_enable_pcie_error_reporting(pdev); - return 0; } EXPORT_SYMBOL_GPL(adf_enable_aer); diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h index c61476553728..d25934e97b55 100644 --- a/drivers/crypto/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/qat/qat_common/adf_common_drv.h @@ -95,7 +95,7 @@ void adf_ae_fw_release(struct adf_accel_dev *accel_dev); int adf_ae_start(struct adf_accel_dev *accel_dev); int adf_ae_stop(struct adf_accel_dev *accel_dev); -int adf_enable_aer(struct adf_accel_dev *accel_dev); +void adf_enable_aer(struct adf_accel_dev *accel_dev); void adf_disable_aer(struct adf_accel_dev *accel_dev); void adf_reset_sbr(struct adf_accel_dev *accel_dev); void adf_reset_flr(struct adf_accel_dev *accel_dev); diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c index a9ec4357144c..e1254bb83fc3 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c @@ -33,6 +33,7 @@ static struct pci_driver adf_driver = { .probe = adf_probe, .remove = adf_remove, .sriov_configure = adf_sriov_configure, + .err_handler = adf_err_handler, }; static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) @@ -199,11 +200,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - if (adf_enable_aer(accel_dev)) { - dev_err(&pdev->dev, "Failed to enable aer\n"); - ret = -EFAULT; - goto out_err_free_reg; - } + adf_enable_aer(accel_dev); if (pci_save_state(pdev)) { dev_err(&pdev->dev, "Failed to save pci state\n");